ESHS/HSS Annual Meeting

Rendering the Invisible Qi: Xianzhen, Projective Methods, and Hybrid Craft in the Late Qing Inner Court

• In Event: On the Fringe? Constructing and Contesting Boundaries of “Science” in Modern China

English Abstract

How did British industrial drawing techniques permeate the structured craft world of the late Qing Inner Court—a domain organized around architectural modularity, geomantic practice, and land-measurement methods? Unlike coastal arsenals that directly adopted Western technology, the Yangshi Lei workshop had to situate foreign graphic methods within an already mature craft regime.
The key to this negotiation was xianzhen (“manifesting the truth”). In late imperial religious and cosmological discourse, xianzhen referred to making zhenxing (True Form) perceptible—rendering the patterned operations of qi legible as form. When translators applied this term to British manuals on mechanical drawing and military surveying—texts grounded in abstract spatial reasoning and, at times, natural-theological notions of order—they reframed projection as a technique of ontological manifestation rather than mere abstract geometry. This semantic shift imbued technical drawing with qi-related connotations, filling a space where earlier court graphics had rarely attempted to depict qi.
Yangshi Lei artisans, in turn, did not simply replicate Western systems. They selectively folded projective procedures into existing parallel-projection conventions and elevation-measurement practices, creating a hybrid drafting method for imperial tomb construction. While traditional drawings relied on schematic and discontinuous conventions and were not the primary medium of coordination, the new composite techniques strengthened each genre’s internal coherence without collapsing them into a single geometric system. Crucially, when read through xianzhen, these techniques gave qi a more stable and operational visual presence. The result highlights how imported techniques and indigenous ontologies coexisted, transforming drawing into a medium through which the Inner Court articulated imperial cosmological legitimacy and extended its capacity to order and coordinate the built landscape.

Author

• Zhaoyi Ma, Nangyang Technological University